Before sunrise on April 25, a slender waning crescent moon will appear left of Venus and Saturn to create the tilted happy ...

This rare alignment will be visible for about an hour at around 5.30am on Friday morning, with sunrise taking place at around ...

Early risers will be able to catch a celestial “smiley face” in the eastern predawn sky Friday morning, as Venus and Saturn align themselves with a skinny crescent moon to form a slightly off-kilter ...

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

The "Blue Marble" was the first photo of the whole Earth and the only ever taken by a human. Fifty years on, new images of ...